#include<iostream>

using namespace first_space;
namespace first_space{
	void func(){
		std::cout << "inside first_space" <<std:: endl;

	}
}
namespace second_space{

	void func(){
		std::cout << "inside second_space" <<std:: endl;

	}

}int main()
{
	func();
	
	system("pause");
	return 0;
}